Correct answer: O-O1...B:g3+ 2.h:g3# 1...Bg5 2.N:g5#[A] 1...B:f6 2.N:f6# 1...R:b2/Rb4/Rb5/Rb6/R:b7/R:a3/Rc3/Rd3/Re3/Rf3/R:g3 2.Q<